74309781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{929}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 122492160

約数和(自身を除く): 48182379

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 293, 879, 929, 2051, 2787, 3809, 6153, 6503, 11427, 12077, 19509, 26663, 36231, 79989, 84539, 253617, 272197, 816591, 1905379, 3538561, 5716137, 10615683, 24769927, 74309781]

約数ペア:

[(1, 74309781), (3, 24769927), (7, 10615683), (13, 5716137), (21, 3538561), (39, 1905379), (91, 816591), (273, 272197), (293, 253617), (879, 84539), (929, 79989), (2051, 36231), (2787, 26663), (3809, 19509), (6153, 12077), (6503, 11427)]